create_unit

A write tool on the Mealie MCP server.

SERVERMealie MCP Server SOURCEgraysoncadams/mealie-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/graysoncadams-mealie-mcp/create-unit.md

WHAT IT DOES

What create_unit does on Mealie MCP Server

AI agents use create_unit to create or update resources in Mealie MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mealie MCP Server environment.

RISK

Why create_unit is rated Medium

This tool creates new data (a unit entity) in reversible fashion, consistent with Write semantics. It does not execute code, delete data, or affect financial systems. Confidence is moderate due to empty description, but the strong naming convention match with sibling Write tools and the 'create_' verb clearly indicate data creation rather than retrieval or destruction.

From the tool's definition Tool name 'create_unit' indicates creation of a new unit entity (likely measurement units for recipes). The 'create_' prefix matches Write category patterns seen in sibling tools like 'create_category', 'create_comment', 'create_cookbook', 'create_food',…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_unit safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Mealie MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_unit, this is the rule to start with:

create_unit Rate-limited

create_unit stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_unit": {
      "limits": [
        {
          "counter": "create_unit_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Mealie MCP Server, apply this rule, and every create_unit call is checked against it from then on.

FAQ

Questions about create_unit

What does the create_unit tool do? +

create_unit is a write tool on the Mealie MCP Server MCP server. It is categorised as a Write tool in the Mealie MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_unit? +

Register the Mealie MCP Server MCP server in PolicyLayer and add a rule for create_unit: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Mealie MCP Server. Nothing to install.

What risk level is create_unit? +

create_unit is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_unit? +

Yes. Add a rate_limit block to the create_unit rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block create_unit completely? +

Set action: deny in the PolicyLayer policy for create_unit. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides create_unit? +

create_unit is provided by the Mealie MCP Server MCP server (graysoncadams/mealie-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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